<template>
  <div class="super-flow-base-demo">
    <!-- <div class="tips">流程图操作工具：鼠标右键</div>
    :node-menu="nodeMenuList" -->
    <!-- <super-flow
      ref="superFlow"
      :node-list="nodeList"
      :link-list="linkList"
      :origin="origin"
      :graph-menu="graphMenuList"
      :link-menu="linkMenuList"
      :enter-intercept="enterIntercept"
      :output-intercept="outputIntercept"
      :link-desc="linkDesc"
    >
      <template v-slot:node="{ meta }">
        <div :class="`flow-node flow-node-${meta.prop}`">
          <header class="ellipsis">
            {{ meta.name }}
          </header>
          <section>
            {{ meta.desc }}
          </section>
        </div>
      </template>
    </super-flow> -->

    <!-- :graph-menu="graphMenuList"
      :link-menu="linkMenuList"
      :enter-intercept="enterIntercept"
      :output-intercept="outputIntercept"
      :link-desc="linkDesc" -->

    <super-flow
      ref="superFlow"
      :node-list="supernode"
      :link-list="superlink"
      :origin="origin"
    >
      <template v-slot:node="{ meta }">
        <!-- <div :class="`flow-node flow-node-${meta.prop}`"> -->
        <header class="ellipsis">
          {{ meta.name }}
        </header>
        <section>
          {{ meta.time }}
        </section>
        <!-- </div> -->
      </template>
    </super-flow>

    <el-dialog
      :title="drawerConf.title"
      :visible.sync="drawerConf.visible"
      :close-on-click-modal="false"
      width="500px"
    >
      <el-form
        @keyup.native.enter="settingSubmit"
        @submit.native.prevent
        v-show="drawerConf.type === drawerType.node"
        ref="nodeSetting"
        :model="nodeSetting"
      >
        <el-form-item label="节点名称" prop="name">
          <el-input
            v-model="nodeSetting.name"
            placeholder="请输入节点名称"
            maxlength="30"
          >
          </el-input>
        </el-form-item>
        <el-form-item label="节点描述" prop="desc">
          <el-input
            v-model="nodeSetting.desc"
            placeholder="请输入节点描述"
            maxlength="30"
          >
          </el-input>
        </el-form-item>
      </el-form>
      <el-form
        @keyup.native.enter="settingSubmit"
        @submit.native.prevent
        v-show="drawerConf.type === drawerType.link"
        ref="linkSetting"
        :model="linkSetting"
      >
        <el-form-item label="连线描述" prop="desc">
          <el-input v-model="linkSetting.desc" placeholder="请输入连线描述">
          </el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="drawerConf.cancel"> 取 消 </el-button>
        <el-button type="primary" @click="settingSubmit"> 确 定 </el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
// 生成随机字符串
import { v4 as uuidv4 } from "uuid";
import { MessageBox, Message } from "element-ui";
const drawerType = {
  node: 0,
  link: 1,
};
export default {
  data() {
    return {
      supernode: [],
      superlink: [],
      drawerType,
      drawerConf: {
        title: "",
        visible: false,
        type: null,
        info: null,
        open: (type, info) => {
          const conf = this.drawerConf;
          conf.visible = true;
          conf.type = type;
          conf.info = info;
          if (conf.type === drawerType.node) {
            conf.title = "节点";
            if (this.$refs.nodeSetting) this.$refs.nodeSetting.resetFields();
            this.$set(this.nodeSetting, "name", info.meta.name);
            this.$set(this.nodeSetting, "desc", info.meta.desc);
          } else {
            conf.title = "连线";
            if (this.$refs.linkSetting) this.$refs.linkSetting.resetFields();
            this.$set(
              this.linkSetting,
              "desc",
              info.meta ? info.meta.desc : ""
            );
          }
        },
        cancel: () => {
          this.drawerConf.visible = false;
          if (this.drawerConf.type === drawerType.node) {
            this.$refs.nodeSetting.clearValidate();
          } else {
            this.$refs.linkSetting.clearValidate();
          }
        },
      },
      linkSetting: {
        desc: "",
      },
      //默认节点新信息
      nodeSetting: {
        name: "节点名称",
        desc: "节点描述",
      },
      //二维坐标系原点
      // origin: [1000, 465],
      origin: [300, 0],
      //节点列表
      nodeList: [],
      //连接线列表
      linkList: [],
      //鼠标右键功能列表
      graphMenuList: [
        [
          {
            label: "开始节点",
            disable(graph) {
              return !!graph.nodeList.find(
                (node) => node.meta.prop === "start"
              );
            },
            selected: (graph, coordinate) => {
              const start = graph.nodeList.find(
                (node) => node.meta.prop === "start"
              );
              if (!start) {
                graph.addNode({
                  width: 100,
                  height: 80,
                  coordinate: coordinate,
                  meta: {
                    prop: "start",
                    name: "开始节点",
                  },
                });
              }
            },
          },
          {
            label: "红色节点",
            disable: false,
            selected: (graph, coordinate) => {
              graph.addNode({
                width: 160,
                height: 80,
                coordinate: coordinate,
                meta: {
                  prop: "condition",
                  name: "红色节点",
                },
              });
            },
          },
          {
            label: "黄色节点",
            disable: false,
            selected: (graph, coordinate) => {
              graph.addNode({
                width: 160,
                height: 80,
                coordinate: coordinate,
                meta: {
                  prop: "approval",
                  name: "黄色节点",
                },
              });
            },
          },
          {
            label: "绿色节点",
            disable: false,
            selected: (graph, coordinate) => {
              graph.addNode({
                width: 160,
                height: 80,
                coordinate: coordinate,
                meta: {
                  prop: "cc",
                  name: "绿色节点",
                },
              });
            },
          },
          {
            label: "结束节点",
            disable(graph) {
              return !!graph.nodeList.find((node) => node.meta.prop === "end");
            },
            selected: (graph, coordinate) => {
              graph.addNode({
                width: 100,
                height: 80,
                coordinate: coordinate,
                meta: {
                  prop: "end",
                  name: "结束节点",
                },
              });
            },
          },
        ],
        [
          {
            label: "保存数据",
            selected: (graph, coordinate) => {
              console.log("保存数据:", JSON.stringify(graph.toJSON(), null, 2));
              this.$message({
                message: "保存成功！请前往控制台查看",
                type: "success",
              });
            },
          },
          {
            label: "全选",
            selected: (graph, coordinate) => {
              graph.selectAll();
            },
          },
        ],
      ],
      that: this,
      //选中鼠标右键功能列表--节点
      nodeMenuList: [
        [
          {
            label: "删除",
            disable: false,
            hidden(node) {
              return node.meta.prop === "start";
            },
            selected(node, coordinate) {
              MessageBox.confirm("此操作将永久删除该数据, 是否继续?", "提示", {
                confirmButtonText: "确定",
                cancelButtonText: "取消",
                type: "warning",
              })
                .then(() => {
                  Message.success("删除成功!");
                  node.remove();
                })
                .catch(() => {
                  Message.info("已取消操作!");
                });
            },
          },
        ],
        [
          {
            label: "编辑",
            selected: (node, coordinate) => {
              this.drawerConf.open(drawerType.node, node);
            },
          },
        ],
      ],
      //选中鼠标右键功能列表--连接线
      linkMenuList: [
        [
          {
            label: "删除",
            disable: false,
            selected: (link, coordinate) => {
              link.remove();
            },
          },
        ],
        [
          {
            label: "编辑",
            disable: false,
            selected: (link, coordinate) => {
              this.drawerConf.open(drawerType.link, link);
            },
          },
        ],
      ],
      signJsonData: [
        {
          id: 142,
          departmentId: "sss",
          departmentName: "公司-1",
          superviseTime: "2022-10-09 09:45:38",
          children: [
            {
              id: 149,
              departmentId: "saweee",
              departmentName: "公司-1-1",
              superviseTime: "2022-10-09 10:05:39",
              children: [
                {
                  id: 154,
                  departmentId: "wewqqq",
                  departmentName: "公司-1-1-1",
                  superviseTime: "2022-10-09 10:10:40",
                  children: [],
                },
                {
                  id: 155,
                  departmentId: "weee3",
                  departmentName: "公司-1-1-2",
                  superviseTime: null,
                  children: [],
                },
              ],
            },
            {
              id: 150,
              departmentId: "3422",
              departmentName: "公司-1-2",
              superviseTime: "2022-10-09 10:46:59",
              children: [
                {
                  id: 156,
                  departmentId: "5677",
                  departmentName: "公司-1-2-1",
                  superviseTime: null,
                  children: [],
                },
                {
                  id: 157,
                  departmentId: "86655",
                  departmentName: "公司-1-2-2",
                  superviseTime: null,
                  children: [],
                },
              ],
            },
          ],
        },
        {
          id: 143,
          departmentId: "989iii",
          departmentName: "公司-2",
          superviseTime: "2022-10-09 09:48:04",
          children: [
            {
              id: 151,
              departmentId: "lkkj",
              departmentName: "公司-2-1",
              superviseTime: null,
              children: [],
            },
          ],
        },
        {
          id: 144,

          departmentId: "hjtjyu",
          departmentName: "公司-3",
          superviseTime: "2022-10-09 09:49:32",
          children: [
            {
              id: 152,
              departmentId: "yutyutyu",
              departmentName: "公司-3-1",
              superviseTime: null,
              children: [],
            },
            {
              id: 153,
              departmentId: "yutyt",
              departmentName: "公司-3-2",
              superviseTime: null,
              children: [],
            },
          ],
        },
      ],
    };
  },
  created() {
    // console.log(uuidv4());
    //默认加载节点
    const nodeList = [
      {
        id: "nodeS3WgFnzCI15X58Qw",
        width: 100,
        height: 80,
        coordinate: [-644, -148],
        meta: {
          prop: "start",
          name: "开始节点",
          desc: "流程开始",
        },
      },
      {
        id: "node7WXbwOR6kSFD53Hf",
        width: 160,
        height: 80,
        coordinate: [-442, -148],
        meta: {
          prop: "condition",
          name: "红色节点",
          desc: "应急触发",
        },
      },
      {
        id: "nodefHsy9uJObPtdHZv1",
        width: 160,
        height: 80,
        coordinate: [-200, -148],
        meta: {
          prop: "approval",
          name: "黄色节点",
          desc: "应急复查",
        },
      },
      {
        id: "nodeqkK9zjcDz53xKRlK",
        width: 160,
        height: 80,
        coordinate: [34, -209],
        meta: {
          prop: "cc",
          name: "绿色节点",
          desc: "复查通过",
        },
      },
      {
        id: "nodeni9QOqT3mI7hsMau",
        width: 160,
        height: 80,
        coordinate: [-442, -275],
        meta: {
          prop: "condition",
          name: "红色节点",
        },
      },
      {
        id: "nodeZBK0ZPpgMe1exezE",
        width: 160,
        height: 80,
        coordinate: [-200, -275],
        meta: {
          prop: "approval",
          name: "黄色节点",
        },
      },

      {
        id: "nodesyxisLH1hJDdPsxx",
        width: 160,
        height: 80,
        coordinate: [34, -75],
        meta: {
          prop: "cc",
          name: "绿色节点",
        },
      },
      {
        id: "node0aiA9VuhjkiAdZCs",
        width: 160,
        height: 80,
        coordinate: [-200, -2],
        meta: {
          prop: "approval",
          name: "黄色节点",
        },
      },
      {
        id: "nodeG3WeFnzCI15X58Qw",
        width: 160,
        height: 80,
        coordinate: [-442, -2],
        meta: {
          prop: "condition",
          name: "红色节点",
        },
      },
      {
        id: "nodeDhVU6w2KbEnJCjZs",
        width: 100,
        height: 80,
        coordinate: [286, -133],
        meta: {
          prop: "end",
          name: "结束节点",
          desc: "流程结束",
        },
      },
    ];
    //默认加载连接线
    const linkList = [
      {
        id: "linkcs9ZhumWeTHrtUy8",
        startId: "nodeS3WgFnzCI15X58Qw",
        endId: "nodeni9QOqT3mI7hsMau",
        startAt: [100, 40],
        endAt: [0, 40],
        meta: {
          desc: "开始流程",
        },
      },
      {
        id: "linkBDld5rDBw4C6kiva",
        startId: "nodefHsy9uJObPtdHZv1",
        endId: "nodeqkK9zjcDz53xKRlK",
        startAt: [160, 40],
        endAt: [0, 40],
        meta: {
          desc: "复核",
        },
      },
      {
        id: "linkA0ZZxRlDI9AOonuq",
        startId: "node7WXbwOR6kSFD53Hf",
        endId: "nodefHsy9uJObPtdHZv1",
        startAt: [160, 40],
        endAt: [0, 40],
        meta: null,
      },
      {
        id: "linkhCKTpRAf89gcujGS",
        startId: "nodeni9QOqT3mI7hsMau",
        endId: "nodeZBK0ZPpgMe1exezE",
        startAt: [160, 40],
        endAt: [0, 40],
        meta: null,
      },
      {
        id: "link2o7VZ7DRaSFKtB0g",
        startId: "nodeqkK9zjcDz53xKRlK",
        endId: "nodeDhVU6w2KbEnJCjZs",
        startAt: [160, 40],
        endAt: [0, 25],
        meta: null,
      },
      {
        id: "linkII013ovDctUDuPLu",
        startId: "nodeS3WgFnzCI15X58Qw",
        endId: "nodeG3WeFnzCI15X58Qw",
        startAt: [100, 40],
        endAt: [0, 40],
        meta: null,
      },
      {
        id: "link6MOmsq1EqzlWcG1n",
        startId: "nodeZBK0ZPpgMe1exezE",
        endId: "nodeqkK9zjcDz53xKRlK",
        startAt: [160, 40],
        endAt: [0, 40],
        meta: null,
      },
      {
        id: "link52SczSXHmuyKDzRU",
        startId: "nodesyxisLH1hJDdPsxx",
        endId: "nodeDhVU6w2KbEnJCjZs",
        startAt: [160, 40],
        endAt: [0, 25],
        meta: null,
      },
      {
        id: "link2hBQDTuIG4ZFYyE0",
        startId: "node0aiA9VuhjkiAdZCs",
        endId: "nodesyxisLH1hJDdPsxx",
        startAt: [160, 40],
        endAt: [0, 40],
        meta: null,
      },
      {
        id: "linkrwdW87FmOma5rPVo",
        startId: "nodeG3WeFnzCI15X58Qw",
        endId: "node0aiA9VuhjkiAdZCs",
        startAt: [160, 40],
        endAt: [0, 40],
        meta: null,
      },
      {
        id: "linknL75dQV0AWZA85sq",
        startId: "nodeS3WgFnzCI15X58Qw",
        endId: "node7WXbwOR6kSFD53Hf",
        startAt: [100, 40],
        endAt: [0, 40],
        meta: null,
      },
    ];
    setTimeout(() => {
      this.nodeList = nodeList;
      this.linkList = linkList;
    }, 100);
    this.initNodeSign2();
  },
  methods: {
    initNodeSign2() {
      let nodeList = [],
        linkList = [],
        totalX1 = 16,
        maxY = 0,
        this_ = this,
        boxHeight = 100,
        boxWidth = 160,
        totaly1 = 13;

      let lineHeight = totaly1 + boxHeight + 20; //步长高
      let lineWidth = totalX1 + boxWidth + 40; //步长宽
      let coodY = {};
      function getCHildren(arr, startId, level) {
        ++level;
        arr.forEach((item, i) => {
          let nodeId1 = `three__${uuidv4()}`; //id确保唯一
          coodY[level] = coodY[level] ? coodY[level] + lineHeight : totaly1;
          if (maxY >= coodY[level]) {
            coodY[level] = maxY + (i ? lineHeight : 0);
          }
          maxY = coodY[level];
          nodeList.push({
            id: nodeId1,
            width: boxWidth,
            height: boxHeight,
            coordinate: [totalX1 + lineWidth * (level - 1), coodY[level]],
            meta: {
              name: item.departmentName,
              state: item.signState > 0 ? 1 : 0,
              time: item.superviseTime,
              userName: item.signName, //这是页面其他用到的数据
              type: "feedback-sign",
            },
          });
          if (startId) {
            linkList.push({
              id: `_${uuidv4()}`,
              startId: startId,
              endId: nodeId1,
              startAt: [totalX1 + boxWidth, 20],
              endAt: [0, 20],
              meta: null,
            });
          }
          if (item.children && item.children.length) {
            getCHildren(item.children, nodeId1, level);
          }
        });
      }
      getCHildren(this.signJsonData, "", 0); //方法调用
      console.log(JSON.stringify(nodeList));
      console.log(JSON.stringify(linkList));
      //   this.nodeList.nodeList = nodeList;
      //   this.nodeList.linkList = linkList;
      this.supernode = nodeList;
      this.superlink = nodeList;
    },

    //连线进入节点限制函数
    enterIntercept(formNode, toNode, graph) {
      const formType = formNode.meta.prop;
      switch (toNode.meta.prop) {
        //开始节点--只出不进
        case "start":
          return false;
        case "approval":
          return ["start", "approval", "condition", "cc"].includes(formType);
        case "condition":
          return ["start", "approval", "condition", "cc"].includes(formType);
        case "end":
          return ["approval", "cc"].includes(formType);
        default:
          return true;
      }
    },
    //节点生成连线限制
    outputIntercept(node, graph) {
      return !(node.meta.prop === "end");
    },
    //生成 link 定制描述文字（连接线描述）
    linkDesc(link) {
      return link.meta ? link.meta.desc : "";
    },
    //描述确定按钮
    settingSubmit() {
      const conf = this.drawerConf;
      if (this.drawerConf.type === drawerType.node) {
        if (!conf.info.meta) conf.info.meta = {};
        Object.keys(this.nodeSetting).forEach((key) => {
          this.$set(conf.info.meta, key, this.nodeSetting[key]);
        });
        this.$refs.nodeSetting.resetFields();
      } else {
        if (!conf.info.meta) conf.info.meta = {};
        Object.keys(this.linkSetting).forEach((key) => {
          this.$set(conf.info.meta, key, this.linkSetting[key]);
        });
        this.$refs.linkSetting.resetFields();
      }
      conf.visible = false;
    },
  },
};
</script>
<style lang="scss" scoped>
.tips {
  color: red;
}
.ellipsis {
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
  word-wrap: break-word;
}

.super-flow-base-demo {
  width: 100%;
  height: 800px;
  margin: 0 auto;
  background-color: #f5f5f5;

  .super-flow__node {
    .flow-node {
      > header {
        font-size: 14px;
        height: 32px;
        line-height: 32px;
        padding: 0 12px;
        color: #ffffff;
      }

      > section {
        text-align: center;
        line-height: 20px;
        overflow: hidden;
        padding: 6px 12px;
        word-break: break-all;
      }

      &.flow-node-start {
        > header {
          background-color: #55abfc;
        }
      }

      &.flow-node-condition {
        > header {
          background-color: #bc1d16;
        }
      }

      &.flow-node-approval {
        > header {
          background-color: rgba(188, 181, 58, 0.76);
        }
      }

      &.flow-node-cc {
        > header {
          background-color: #30b95c;
        }
      }

      &.flow-node-end {
        > header {
          height: 32px;

          background-color: rgb(0, 0, 0);
        }
      }
    }
  }
}
</style>
